GA44H双杠杆安全阀双杠杆安全阀主要零部件材料说明GA44H型安全阀的主要零件材料和GA42H-16C/25/40安全阀的相同。GA44H型双杠杆安全阀适用于温度≤450℃的电站锅炉和压力容器上，防止压力超过允许***高值，介质可为蒸汽、空气。■双杠杆安全阀外形尺寸和连接尺寸型号公称通径尺寸do-zDD1D2D6ff2bZ-ødHL承插式法兰式d1k2k3D3DN＇D2＇D1＇D＇b＇f＇z1-ød1GA44H-1.68050×2200160135/3/208-184108401201451621901502102402802438-23GA44H-2.58050×2200160135/3/228-184108401201451621901502102402802438-23GA44H-4.08050×220016013512134228-184108401201451621901502102402802438-23GA44H-6.48040×221017014012134308-234808402002182532852002552803152238-18电话：0577-6792917613634221988传真：0577-67929175阿里旺旺：fengmaov网址：***：1426867520邮箱：fengmaov@欢迎新老客户洽谈！~)